diff --git a/src/Core/Settings.cpp b/src/Core/Settings.cpp
index 77db44fe35d7..f1ab62710872 100644
--- a/src/Core/Settings.cpp
+++ b/src/Core/Settings.cpp
@@ -6821,13 +6821,13 @@ Allow to create database with Engine=MaterializedPostgreSQL(...).
     DECLARE(Bool, allow_experimental_query_deduplication, false, R"(
 Experimental data deduplication for SELECT queries based on part UUIDs
 )", EXPERIMENTAL) \
-    DECLARE(Bool, allow_experimental_database_iceberg, false, R"(
+    DECLARE(Bool, allow_experimental_database_iceberg, true, R"(
 Allow experimental database engine DataLakeCatalog with catalog_type = 'iceberg'
 )", EXPERIMENTAL) \
-    DECLARE(Bool, allow_experimental_database_unity_catalog, false, R"(
+    DECLARE(Bool, allow_experimental_database_unity_catalog, true, R"(
 Allow experimental database engine DataLakeCatalog with catalog_type = 'unity'
 )", EXPERIMENTAL) \
-    DECLARE(Bool, allow_experimental_database_glue_catalog, false, R"(
+    DECLARE(Bool, allow_experimental_database_glue_catalog, true, R"(
 Allow experimental database engine DataLakeCatalog with catalog_type = 'glue'
 )", EXPERIMENTAL) \
     DECLARE(Bool, allow_experimental_database_hms_catalog, false, R"(
diff --git a/src/Core/SettingsChangesHistory.cpp b/src/Core/SettingsChangesHistory.cpp
index 89a550f3326a..855836e7871b 100644
--- a/src/Core/SettingsChangesHistory.cpp
+++ b/src/Core/SettingsChangesHistory.cpp
@@ -70,6 +70,9 @@ const VersionToSettingsChangesMap & getSettingsChangesHistory()
 
         addSettingsChanges(settings_changes_history, "25.6.5.2000",
         {
+            {"allow_experimental_database_iceberg", false, true, "Turned ON by default for Antalya"},
+            {"allow_experimental_database_unity_catalog", false, true, "Turned ON by default for Antalya"},
+            {"allow_experimental_database_glue_catalog", false, true, "Turned ON by default for Antalya"},
             {"output_format_parquet_enum_as_byte_array", true, true, "Enable writing Enum as byte array in Parquet by default"},
         });
         addSettingsChanges(settings_changes_history, "25.6",
diff --git a/tests/queries/0_stateless/03413_experimental_settings_cannot_be_enabled_by_default.sql b/tests/queries/0_stateless/03413_experimental_settings_cannot_be_enabled_by_default.sql
index 718eb63ad923..b693a57d053a 100644
--- a/tests/queries/0_stateless/03413_experimental_settings_cannot_be_enabled_by_default.sql
+++ b/tests/queries/0_stateless/03413_experimental_settings_cannot_be_enabled_by_default.sql
@@ -4,5 +4,11 @@
 
 -- However, some settings in the experimental tier are meant to control another experimental feature, and then they can be enabled as long as the feature itself is disabled.
 -- These are in the exceptions list inside NOT IN.
-SELECT name, value FROM system.settings WHERE tier = 'Experimental' AND type = 'Bool' AND value != '0' AND name NOT IN ('throw_on_unsupported_query_inside_transaction');
+SELECT name, value FROM system.settings WHERE tier = 'Experimental' AND type = 'Bool' AND value != '0' AND name NOT IN (
+    'throw_on_unsupported_query_inside_transaction',
+-- turned ON for Altinity Antalya builds specifically
+    'allow_experimental_database_iceberg',
+    'allow_experimental_database_unity_catalog',
+    'allow_experimental_database_glue_catalog'
+);
 SELECT name, value FROM system.merge_tree_settings WHERE tier = 'Experimental' AND type = 'Bool' AND value != '0' AND name NOT IN ('remove_rolled_back_parts_immediately');